Perhaps you should try some spelling variations:
vulgariae » bulgariae, vulgarise, vulgaridad
bulgaricae » bulgarica, bulgarische, bulgaria, bulgareicae, vulgaricae, bulgericae
bulgariaica » bulgarica, bulgariia, bulgareiaica, vulgariaica, bulgeriaica
bulgeriia » bulgariia, bulgaria, bulgarica
bulgar » bulgare, vulgar, bulger

You may be able to get more results by adjusting your search query.

• If you are trying to use Boolean operators, they must be ALL CAPS: ((vulgariae OR (bulgaricae OR (bulgariaica OR bulgeriia))) OR (bulgar OR bulge)).
• Adding a wildcard symbol may retrieve word variants: ((vulgariae or (bulgaricae or (bulgariaica or bulgeriia))) or (bulgar or bulge))*.